Message-ID:	<000301bd80d7$d79daa00$f54d08c3@arthur>
From:	"Arthur" <arfa AT clara DOT net>
To:	"DJGPP Mailing List" <djgpp AT delorie DOT com>
Subject:	DPMI
Date:	Sat, 16 May 1998 15:34:56 +0100
MIME-Version:	1.0

I cannot find a good description of DPMI anywhere - I've looked in the faqs,
the website, everywhere.

I have not really had to hack into the protected mode memory before (apps
programming) so I am a little lost. I have had experience of memory hacking
on my old Atari ST and I assume that DPMI is a little like User mode on the
ST. You started off in User mode, then you would initialise the program,
then initialise Supervisor mode which would then allow you free access to
the memory. You had to switch back to User mode before you exited to make
sure that the stacks were aligned properly.

The problem is that there are all these far pointers and such: is there not
a way in which you can access any part of the memory directly?

I can do stuff like switch to mode 13h, but I am using other people's
routines and I don't understand them. Any help would be appreciated.

James Arthur
jaa AT arfa DOT clara DOT net

PS:  Only one person noticed in my last posting that I had used the wrong
sized array. Some of you are professional programmers too... : )

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